PDBe 3c1v

X-ray diffraction
1.5Å resolution

The 1.5 A Crystal structure of Ca2+-bound S100A4


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Protein S100-A4 Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 113 amino acids
Theoretical weight: 13.15 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
  • Canonical: P26447 (Residues: 1-101; Coverage: 100%)
Gene names: CAPL, MTS1, S100A4
Sequence domains: S-100/ICaBP type calcium binding domain
Structure domains: EF-hand

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-3
Spacegroup: P32
Unit cell:
a: 52.32Å b: 52.32Å c: 139.14Å
α: 90° β: 90° γ: 120°
R R work R free
0.196 0.195 0.218
Expression system: Escherichia coli BL21(DE3)